Subject: Re: [linux-audio-dev] mouse wheel behavior and RFC: human interface guidelines
From: Fons Adriaensen (fons.adriaensen_AT_skynet.be)
Date: Sat Aug 21 2004 - 21:38:28 EEST
On Sat, Aug 21, 2004 at 06:35:44PM +0200, Melanie wrote:
> it's backwards in a "numerical" sense, in that the numbers increase with
> one slider type, but decrease with another, using the same command.
>
> However, UI designers don't think in numbers, but associations.
>
> Left is generally associated with up, right with down, as we read left to
> right, top to bottom. Therefore, up MUST map to left, down MUST map to
> right, otherwise, non-mathematically minded people get uttely confused.
OK, if things 'increase' from L to R and from top to bottom,
then a vertical gain slider should have the 'off' position at
the top. For a slider controlling a frequency, the lowest
one should be at the top.
I suspect most people would find that counterintuitive,
regardless of reading directions.
-- FA
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